cost (subs.) Copy link Outline I. Price of a thing bought or soldII. ExpenseIII. In law, the costsIV. Loss or detriment • cost (subs.): I. Price of a thing bought or sold: prĕtium. v. price. II. Expense: impendium, impensa, sumptus: v. expense. III. In law, the costs: impensae in litem factae, Paul. Dig. 3, 3, 30. Phr.: to condemn any one to the payment of penalty and c., damnum et impensas litis adversario inferre aliquem cogere, Just. Inst. IV. Loss or detriment: Phr.: to my cost: damno cum magno meo, Pl.: so with malum: at your c., malo cum tuo, Pl.: somewhat less strong is incommodo tuo, Cic.: or expr. with poena: as, liars are mostly dishonest to their c., solent mendaces luere poenas maleficî, Phaedr.